speculation

noun

spec·​u·​la·​tion ˌspe-kyə-ˈlā-shən 

: an act or instance of speculating: such as

a

: assumption of unusual business risk in hopes of obtaining commensurate gain

b

: a transaction involving such speculation

Synonyms of speculation

• gamble
• venture
• chance

Examples of speculation in a Sentence

He dismissed their theories as mere speculation.

The book is just a lot of idle speculation about the future.

Her speculations leave many questions unanswered.

He lost everything in foolish land speculation.

Recent Examples on the Web

The Netherlands international only moved to the Etihad Stadium a year ago but his future is the subject of speculation following the arrival of Elliot Anderson from Nottingham Forest earlier this summer. — David Ornstein, New York Times, 13 Aug. 2026

White and Clark also were involved in a sideline spat in late May and there was speculation about White’s job status following the incident. — CNN Money, 12 Aug. 2026

As engagement-farming social-media accounts like Pop Base and celebrity-gossip accounts such as Deuxmoi still post frequent updates of celebrity sightings and speculation, the type of blanketing gossip press that Hilton introduced now spares no one. — Brady Brickner-Wood, New Yorker, 12 Aug. 2026

Either Bass or Raman could win, but if the public’s understanding of the markets is murky, experts say, voters may confuse their speculation for certainty. — Justine McDaniel, Los Angeles Times, 12 Aug. 2026

Word History

First Known Use

14th century, in the meaning defined above

Phrases Containing speculation

• anti-speculation

Rhymes for speculation

• abdication
• aberration
• abjuration
• abnegation
• abrogation
• acceptation
• acclamation
• acclimation
• accusation
• activation
• actuation
• acylation

Kids Definition

speculation

noun

spec·​u·​la·​tion ˌspek-yə-ˈlā-shən 

1

: thoughts or guesses about something

much speculation about who the new teacher would be

2

: the taking of a big risk in business in hopes of making a big profit

Legal Definition

speculation

noun

spec·​u·​la·​tion ˌspe-kyə-ˈlā-shən 

: an act or instance of speculating: as

a

: assumption of unusual business risk in hopes of obtaining commensurate gain

b

: a transaction involving such speculation